Can opening and spout forming device



Dec. 25,1934. A, KRONQUEST 1,985,865

CAN OPENING AND SPOUT FORMING DEVICE Filed April 25, 1954 z'sheets-sheet1 Dec. 25, 1934. A. 1 KRoNQUl-:s'r 1,985,865

CAN OPENING AND SPOUT FORMING'DEVICE Filed April 2s, 1934 2'sheets-fshee/'z Ayr/ed L. Kwizque-f'f Patented Dec. 25, 1934 PATENTOFFICE CAN OPENING AND sPoU'r FoEMiNG DEVICE Alfred L. Kronquest,Syracuse, N. Y., assignor to Continental Can Company, Inc., New York, N.Y, a corporation of New York Application April 23, 1934, Serial No.722,048

7 Claims.'

The invention relates to new and useful improvements in a can openingand spout forming device which may be utilized for forming a pouringopening in a can end and the shaping of the can body wallso as toprovide a pouring spout which is associated with the opening and throughwhich the contents of the can may be dispensed.

Eiorts have been made to provide a can .with

an opening and to shape the body wall adjacent the opening so as toprovide'a pouring spout. In

all such devices, the opening and spout are formed in one operation,or'substantially simultaneously,

and therefore, it is dilcult to operate such a device. l A

An object of the present invention is to provide a can opening and spoutforming device which is so constructed that the can end may be firstsevered, and after which the body wall of the can shaped to provide aspout.

A further object of the invention is to provide a device of the abovetype which may be positioned on the can end, and while held in place,the can end severed and the body wall shaped to form the spout.

These and other objects will in part be obviou and will in part behereinafter more fully disclosed.

In the drawings- Figure 1 is a side view of a can opening and spoutforming device embodying the improvements;

Fig. 2 is a plan view of the same; c

Fig. 3 is a sectional view on the line 3--3 of Fig.y 1;

Fig. 4 is a view showing the can end severed and the spout formingdevice positioned for the shaping of the double seam and body wall toprovide the spout;

Fig. 5 is a plan view of a portion of the can body showing the end assevered and prior to the shaping of the body wall to form the spout;

Fig. 6 is a view similar to Fig. 4, but showing the spout forming deviceas having been operated to shape the can wall into a spout;

Fig. 7 is a plan view of the parts shown in Fig.

6, and

Fig. 8 is a plan View showing a portion of the can after the spout hasbeen formed.

The invention resides in a can opening and 50 spout forming device whichincludes a base inemberfadapted to be positioned on the top of the canso as to rest on the double seam. This base member is providedwithoffset lugs at opposite sides thereof, and one pair of the lugs engages55 the double seam at the inner'face thereof; while the other pair oflugs engages the double seam at the outer Vface thereof, and these lugs,therefore, prevent the base member from moving endwise on the can whileit is held in contact therewith. The base member has attached thereto acutter for severing the can end. This cutter has a depending bladeprovidedwith a piercing point and cutting edges diverging from thepiercing point. The lugs are placed in contact with the double seam,with the point of the cutter contacting with the can end, and then thebase plate is forced to a horizontal position, orl into contact with thecan end, and this will force the cutter through the can end, severingthe can end and rolling the same back so as to form a dispensingopening. The cutter pierces the can end adjacent theJ double seam, andas it is lowered it will cut the can end along lines extending inwardlyfrom the double seam. After the end has been severed and while thecutter is still in the opening, the spout forming member, which ismounted on the base member, is brought into contact with the double seamat the inner side thereof. This spout forming member has meansassociated therewith for producing a lateral pressure against the innerface of the double seam so as to force the double seam and the body walladjacent thereto outward, and thereby form a pouring spout which isassociated with the dispensing opening.

Referring more in detail to the drawings, the invention is used forsevering a can end and forming a pouring spout. The can body is indiivention has to do particularly with a can opening and spout formingdevice for opening a sealedcan and preparing the same for dispensing theliquid content thereof. Lubricating oil for automobiles is beingmarketed in sealed cans of the type above referred to, and the presentinvention has particularly to do with a device which may be quickly usedat the oil filling station or in a garage for opening and preparing thecan for the dispensing of the lubricating oil therefrom. The can openingdevice includes a base member or plate 4 which is of considerablygreater length than the diameter of the can. Said base member isprovided with oiset lugs 5, 5 which are cut from the plate and bentdownward, so that when the plate rests on the double seam, these lugswill extend `down into the usual recess in the can end and, 4'IQOntaQtwith the inner face of the double seam. The plate is also preferablyprovided with spaced lugs 6, 6 which will engage the outer face of thedouble seam. The purpose of these lugs .is to hold the base member in afixed longitudinal position and for preventing the base member fromsliding endwise on the double seam during the operation of the severingof the can end and the forming ofl the s pout. The base member, as shownin Figures 1 and 2, is provided with another set of lugs 5a, 5a, and anassociated set of lugs 6a, 6a which are similar to the lugs 5 and 6. Thepurpose of the second set of lugs is for vuse in connection with a canof a larger diameter, as Awill be referred to more fully hereafter.Fixed to the under side of this base member or plate 4 is a cutterincluding a shank '7 which is welded or otherwise attached to the basemember 4,' and a blade 8 which extends substantially at right angles tothe base member 4. Said blade 8 is provided with a piercing point 9 (seeFig. 3) and cutting edges 10, 10 which diverge from each other andterminate in the piercing point. When it is desired to open a can, thebase member 4 is applied to the can so that the double seam 3 thereoflies between the lugs 5 and 6. 'This will place the piercing point ofthe cutting blade in contact with the end close to the double seam atVthe opposite side of the can body. The operator presses down on the basemember, holding the same in contact with the double seam, and alsopresses down on the outer end of the handle portion 4a which is a partof said base member. This will force the. cutter down through the. canend, severing the can end along lines extending from the point a wherethe piercing point initially While thev cutter is still in ,the opening,as

shown in Fig. 4, the spout forming devices are operated to shape thedouble seam and the body` Wall adjacent thereto into a. pouring spout.This spout forming device, as shown, consists of a ,spout shapingmember'12 which ispivoted at -v13 to a supporting link member 14. -Thislink member 14 is in turn pivotedA at 15 to a lug 16 formed from thebase memberl 4. Said base spout forming member 12 carries a nger 17which is adapted to engage the upper face of the double seam centrallyof the opening formed by the cutter. Said spout forming'member is alsoprovided with a shoulder18 which is brought into register'with the'inner face of the double seam centrally of the opening. There is 19which is coiled about the pivot 15 securing the link member 14 to thebase member 4. One

arm of this spring 19 engages underneath the link member 14and the otherarm engages the upper vface of the base` member 4.I This will normallyhold thevlink member 14- raised to a set position, and in this setposition,the spout shaping member `12 is set so that the shoulder 18will be placed just inside the doubleseam. The upward movement of themember 12 through the action of this spring 19 is` limited by a lug 19a.This lug 19a is struck up from the member 12. The member12 extendsthrough a. slot 4b in the base member 4 and the lug 19a is offset to oneside as clearly shown in Fig. 7, so that it engages the under face ofthe base member 4. Mounted on the pivot 13 is a U-shaped plate 20 whichserves as a hand rest on which the operator may press to force thejoined ends of the link member 14 and the spout forming member 12downward from the position shown in Fig.

4 to the position shown in Fig. 6. When these members are forceddownward, the shoulder 18 will contact with the inner face of the doubleseam. The lugs 5, 5 will prevent any longitudinal movement of-the basemember 4, and therefore, the double seam and the can body wall justbelow the same will be forced outward and shaped into a spout. Thedouble seam is bent outward from the points d, d to the point e which isthe end or nose of the spout. This bending of the side wall and thespout outward will contract the portions of the can in the region of theopening formed by the cutter and will distort slightly the side walls b,c of the opening.

From the above it will be apparent that a canl .opening and spoutforming device has been provided wherein the opening through the can endis formed and completed, after which the parts of the can in the regionof the opening are shaped to provide a pouring spout. tributes the poweror force necessary to operate This disthe device so that it may bereadily manipulated lby hand for the producing of the opening and thekforming of the spout. f Y

It is obvious that minor changes in the details of construction and thearrangement of the parts may be made without departing from the spiritof the invention as set forth in the Yap- `double seam in the region ofthev opening for I forcing the can wall and the double seam outwardlyand shaping'. the same into a pouring spout. v Y

2,. A cany opening and spout fformng device comprising a base member,said base member having lugs rigidly carried thereby for engaging a canat the oppositesides of thedouble seam for preventing endwise movementof the base member, a cutting member rigidly attached to said basemember and adapted to sever the can end adjacent the double. seamy atthe side of the can opposite from that engaged by the lugs, and meansindependent of the cutting member for engaging the can at the inner sideof j the double seam in the region of the openingl for forcing the canwall -and double seam outwardly and shaping the same into a pouringAlugs rigidly carried thereby for engaging a can .at the opposite sidesof the double seamfor preventing endwise movement of the base member, acutting member rigidly attached to said base member and adapted to severthe can end adjacentthe double seam at the side of the can opposite fromthat engaged by the lugs, said base member having a slot therethroughdisposed centrally of the cutting member, and means operating throughsaid slot and independently of the cutting member for engaging the canat the inner side of the double seam and midway of the opening formed inthe end for forcing the can wall and double seam outwardly and shapingthe same into a pouring spout.

4. A can opening'and spout forming device comprising a base member, saidbase member having lugs rigidly carried thereby for engaging a can atthe opposite sides of the double seam for preventing endwise movement ofthe base member, a cutting member rigidly attached to said base memberand adapted to sever the can end adjacent the double seam at the side ofthe can opposite from that engaged by the lugs, said base memberl havinga slot disposed centrally of the cutting member, a spout Iforming member-extending through said slot and having a nger adapted to rest on thedouble seam and a shoulder adapted to engage the double seam at theinner side thereof, and means for moving saidv spout forming member inan endwise. direction for forcing the can wall and the double seamoutwardly and shaping the same into a pouring spout.

5. A can opening and' spout forming device comprising a base member,said base memberv having lugs rigidly carried thereby for engaging a canat vthe opposite sides of the double seam for preventing endwisemovement of the base member,

a cutting member rigidly attached to said base of, a link to which saidspout forming member is pivoted, said link being pivoted to said basemember in the region adjacent the lugs, and means whereby said link andspout forming member may be moved toward alinsment for forcing the canwall and double seam outwardly and shaping the same into` a pouringspout. 6. A can opening and spout forming device comprising a basemember, said base member having lugs rigidly carried thereby forengaging a can at the opposite sides of the double seam for preventingendwise movement of the base member, a cutting member rigidly attachedto said base member and adapted to sever the can end adjacent the doubleseam at the side of the can opposite from that engaged by the lugs, saidbase member having a slot disposed centrally of the cutting member,l aspout forming member extending through said slot and having a fingeradapted tov rest on the double seam and a shoulder adapted to engagethe. double seam at the inner side thereof, a link to which said spoutforming member is pivoted, said link being pivoted to said base memberin the region adjacent the lugs, means whereby said link and spoutforming member may be moved toward alinement for forcing the can walland double seam outwardly and shaping the same into a pouring spout, aspring for moving said link andspout forming member away from said basemember, and means for limiting said movement of the link by the spring.

7. A can opening and spout forming device comprising a base member, saidbase member having Alugsrigidly carried thereby for engaging a can atthe opposite sides of the double seam for preventing endwise movement ofthe base member, a cutting member rigidly attached to said base memberand adapted to sever the can end adjacent ythe double seam at the sideof the can opposite from that engaged by the lugs, said base memberhaving a slot extending longitudinally thereof and disposed centrally ofthe cutting member, a spout forming member extending through said slotand having a shoulder adapted to engage the inner face of the doubleseam centrally of the opening formed in the can end, a link to whichsaid spout forming member is attached, means -for pivotally attachingsaid link to said base mem-` ber adjacent said lugs, a spring adapted toswing said link away from the base member, a lug carried by said'spoutforming member for limiting the swinging movement of the link, and meanscarried by said link whereby it may be moved toward the base member forforcing said spout forming member in an endwise direction for shapingthe double seam and can wall into a pouring spout.

ALFRED L. KRONQUEST. f

